Protect yourself from the crown of thorns’ spines and milky sap by wearing sturdy garden gloves and long sleeves. With one hand, grasp the plant towards the soil’s base. As you raise the plant, use your other hand to loosen the pot and pull it away from the root ball.
When should I repot my crown of thorns plant?
Use a liquid houseplant fertilizer to feed the plant. In the spring, summer, and fall, water the plant with fertilizer every two weeks. In the winter, dilute the fertilizer by half and apply it once a month.
Every two years, in late winter or early spring, repot the plant. Crown of thorns requires a quick-draining potting soil. It’s best to use a cactus and succulent mix. Use a pot that is large enough to comfortably support the roots. Remove as much as possible of the old potting soil without injuring the roots. Potting soil loses its ability to effectively handle water as it matures, which can lead to root rot and other issues.
When working with crown of thorns, wear gloves. If eaten, the plant is poisonous, and the sap irritates the skin. Crown of thorns is also harmful to pets, so keep it away from them.
Repotting
Crown of thorns can survive for a long period in a pot. Keep it slightly pot constrained if you want a show of continual blooming. When the plant has outgrown its pot, it is time to repot it.
Pruning Crown of Thorns
Crown of thorns grows slowly and doesn’t require pruning for several years. Pruning should be done when the weather is dry and cool to avoid stem disease. Usually in the early spring and early summer, just as the new growth begins.
Wear gloves when pruning the plant because of its milky sap and thorns.
Every year, with a pair of sharp snips, remove leafless, crowded, and tangled stems towards the end of the growing season. Thin out overcrowded branches at the base of more compact kinds to ensure appropriate air circulation.
The crown of thorns will continue to grow vertically if not pruned, however pruning is needed to maintain its shape and size, as well as a lovely fuller but well-maintained appearance. Pruning back to the axillary or lateral buds is a good idea. Simply cut just above the green buds or developing growth on the crown of thorns branches, leaving the green buds intact. If you want bushier growth, do this once every couple of years in late spring. This Martha Stewart video will give you a better picture of how to prune crown of thorns.
Tip: Prune damaged, diseased, or dead branches back to healthy plant growth at any time of year if they develop brown leaves and stems. Plant rot is the brown section, and if it isn’t clipped off, it will spread.
Pests and Diseases
Pests do not pose a severe threat to this plant. Mealybugs, scales, and spider mites can all be a nuisance at times. Crown of thorns frequently dies as a result of moisture-related diseases. Wet leaves and stems, as well as a lack of air circulation, must be avoided.
Euphorbia milii latex is poisonous, and the thorns are spiky, which can cause harm. This plant should be kept out of the reach of youngsters and dogs.
What kind of soil is best for crown of thorns?
A well-drained, gritty potting substrate is ideal for Euphorbia milii. This is critical to avoid the plant sitting in soggy soil for an extended period of time. To prepare an optimal potting mix for the crown of thorns plant, combine a third of pumice or perlite with two thirds of normal soil.
Can you cut crown of thorns plant?
If you need to prune crown of thorns, the good news is that it’s a forgiving plant that may be pruned in any way you want to get the ideal size and shape. Every clipped branch will sprout two or three new branches, resulting in a bushier, fuller plant.
In order to avoid stubby, ugly branches, it’s better to clip the stem at its site of origin. Remove weak, dead, or damaged growth, as well as branches that rub or cross other branches, from a thorny crown.
How do you get more flowers on the crown of thorns?
How to Make a Crown of Thorns Flower
- Plant the indoor crown-of-thorns in excellent potting soil with enough of drainage to prevent overwatering.
- When you plant the crown-of-thorns, use a full-strength liquid fertilizer.
How do you root a crown of thorns?
Rooting crown-of-thorns cuttings in water is another way to propagate them. Simply set the cutting in a tall, narrow glass filled with 1 inch of water at the bottom. Roots will appear in two weeks or less if the cutting is kept in bright, indirect sunshine.
Whats wrong with my crown of thorns?
In warm areas, crown of thorns is a semi-evergreen plant with little leaves, a lot of prickly thorns, and attractive miniature blooms all year. Crown of thorns is a useful houseplant in cooler climes. Unfortunately, it is susceptible to a disease known as bacterial leaf spot, which is caused by the bacteria Xanthomonas.
This bacterial disease may be causing spots on crown of thorns plants, however spots can also be caused by fungal infections or damage. Examine the form to see if the problem is bacterial leaf spot. Spots that follow the veins of the leaves are caused by this illness.
The specks, which are grayish brown and grow golden haloes, take on angular shapes as a result of this pattern. The dots will vary in size and shape, and they will appear unevenly on the leaves. They grow into one other over time, resulting in vast patches of dead tissue.
How do you prune a leggy crown of thorns?
Cut back the branches while leaving the axillary buds and sprouts intact if you want to maintain your crown of thorns low to the ground. (In other words, the branches should be pruned back to a lateral branch.) Cutting the shrub to the exact size you want it can leave branches naked and stubby for years, so this is preferred. The trick to minimizing the size of a thorny crown is to look for green buds and cut above them, allowing the buds to blossom following pruning.
Why are the leaves on my crown of thorns turning yellow?
A crown of thorns plant with proper care has emerald green foliage with white, pink, red, and sometimes yellow blooms. A healthy crown of thorns can grow up to three feet tall, despite being considered a little succulent.
Without adequate maintenance, the crown of thorns plant, like most succulents, can lose its vibrant colors. Leaves begin to turn yellow and fall off at a faster rate than usual if something in their environment is amiss.
Many distinct environmental conditions can cause yellowing. Lack of water causes succulent plant leaves to wilt and yellow. Other stressors, such as fast temperature swings or poor soil quality, can also induce yellow foliage.